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Design Guidelines for High-Capacity Bevel Gear Systems
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English
Abstract
The design of any gearing system is a difficult, multifaceted process. When the system includes bevel gearing, the process is further complicated by the complex nature of the bevel gears themselves. In most cases, the design is based on an evaluation of the ratio required for the gear set, the overall envelope geometry, and the calculation of bending and contact stresses for the gear set to determine its load capacity. There are, however, a great many other parameters which must be addressed if the resultant gear system is to be truly optimum.
A considerable body of data related to the optimal design of bevel gears has been developed by the aerospace gear design community in general and by the helicopter community in particular. This paper provides a summary of just a few design guidelines based on these data in an effort to provide some guidance in the design of bevel gearing so that maximum capacity may be obtained. The following factors, which may not normally be considered in the usual design practice, are presented and discussed in outline form:
- Integrated gear/shaft/bearing systems
- Effects of rim thickness on gear tooth stresses
- Resonant response.
Topic
Citation
Drago, R., "Design Guidelines for High-Capacity Bevel Gear Systems," SAE Technical Paper 851571, 1985, https://doi.org/10.4271/851571.Also In
References
- Drago, Raymond J. ON THE DESIGN AND MANUFACTURE OF INTEGRAL SPIRAL BEVEL GEARS FOR THE CH-47D HELICOPTER Aerospace Gearing Committee Meeting American Gear Manufacturers Association March 1978
- Drago, R. J. Pizzigati, G. A. SOME PROGRESS IN THE ACCURATE EVALUATION OF TOOTH ROOT AND FILLET STRESSES IN LIGHTWEIGHT, THIN-RIMMED GEARS American Gear Manufacturers Association October 1980
- Drago, R. J. Lutthans, R. V. AN EXPERIMENTAL INVESTIGATION OF THE COMBINED EFFECTS OF RIM THICKNESS AND PITCH DIAMETER ON SPUR GEAR TOOTH ROOT AND FILLET STRESSES Fall Technical Meeting American Gear Manufacturers Association October 1981
- Drago, R. J. ON THE AUTOMATIC GENERATION OF FEM MODELS FOR COMPLEX GEARS - A WORK-IN-PROGRESS REPORT Aerospace Gearing Committee Meeting American Gear Manufacturers Association February 1982
- Drago, R. J. AN IMPROVEMENT IN THE CONVENTIONAL ANALYSIS OF GEAR TOOTH BENDING FATIGUE Fall Technical Meeting American Gear Manufacturers Association New Orleans, Louisiana October 1982
- Drago, R. J. Brown, F. W. THE ANALYTICAL AND EXPERIMENTAL EVALUATION OF RESONANT RESPONSE IN HIGH-SPEED, LIGHTWEIGHT, HIGHLY LOADED GEARING Century 2 International Power Transmission and Gearing Conference American Society of Mechanical Engineers San Francisco, California August 1980
- Sciarra, J. J. Howells, R. W. Lenski, J. W., Jr. Drago, R. J. Schaeffer, E. G. HELICOPTER TRANSMISSION VIBRATION AND NOISE REDUCTION PROGRAM, USARTL TR78-2A Applied Technology Laboratory, U.S. Army Research and Technology Laboratories (AVSCOM) Fort Eustis, Virginia March 1978
- Mclntire, W. L. HOW TO REDUCE GEAR VIBRATION FAILURE Aerospace Gearing Committee Meeting American Gear Manufacturers Association Orlando, Florida February 1964
- Albrecht, C DEVELOPMENTS IN GEAR ANALYSIS AND TEST TECHNIQUES FOR HELICOPTER DRIVE SYSTEMS Design Engineering Conference and Show American Society of Mechanical Engineers Chicago, Illinois May 1979